Schumann, the wife of composer Robert Schumann, was a renowned pianist of her time. A child prodigy, she made her debut in 1830 and later performed with great success all over Europe. She was an outstanding interpreter of works by her husband and Johannes Brahms and was one of the first pianists to perform from memory. Her own compositions were mainly piano pieces and songs. Schumann supported her family financially and organized her own concert tours while also raising how many children? Discuss